From 14202eff214e1e941fefa0366d4c3bc4b1a0d500 Mon Sep 17 00:00:00 2001
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Date: Mon, 28 Oct 2019 20:25:02 +0200
Subject: Bluetooth: btusb: Detect if an ACL packet is in fact an ISO packet
Fix up the packet type if ISO packets are sent over the bulk endpoint.
Note: This is a stopgap since the Bluetooth specification currently
doesn't define any endpoint to transport ISO packets.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
drivers/bluetooth/btusb.c | 10 ++++++++++
1 file changed, 10 insertions(+)
(limited to 'drivers')
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 2f4231f9317d..15caa6469538 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -911,11 +911,21 @@ static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
hci_skb_expect(skb) -= len;
if (skb->len == HCI_ACL_HDR_SIZE) {
+ __u16 handle = __le16_to_cpu(hci_acl_hdr(skb)->handle);
__le16 dlen = hci_acl_hdr(skb)->dlen;
+ __u8 type;
/* Complete ACL header */
hci_skb_expect(skb) = __le16_to_cpu(dlen);
+ /* Detect if ISO packet has been sent over bulk */
+ if (hci_conn_num(data->hdev, ISO_LINK)) {
+ type = hci_conn_lookup_type(data->hdev,
+ hci_handle(handle));
+ if (type == ISO_LINK)
+ hci_skb_pkt_type(skb) = HCI_ISODATA_PKT;
+ }
+
if (skb_tailroom(skb) < hci_skb_expect(skb)) {
kfree_skb(skb);
skb = NULL;
--
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